Coffee maker



FIG. 1 is a front perspective view of a coffee maker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a front perspective view of the coffee maker of FIGS. 1-6 shown with the carafe removed;

FIG. 8 is a front view thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a left side view thereof; and,

FIG. 12 is a top view thereof.

The broken lines depicting the remainder of the coffee maker show features that form no part of the claimed design. 

CLAIM The ornamental design for a coffee maker, as shown and described. 